{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["cause effect", "else", "message topic", "member collection"], "input": "the wastes leaked from these tanks have been in contact with surrounding soils and vadose sediments for decades and have undergone significant geochemical and radiological transformations ."}
{"cause effect": [], "else": [], "message topic": [], "member collection": []}